are trying to zero in on whether or not the suspect, dzhokar, the younger brother, tsarnaev, had terrorist training. now, for older brother, who obviously is dead, has been living -- lived in the united states since 2007. what is your gut in terms of whether or not these two have had training in terrorism and whether or not that training took place in the u.s. or elsewhere? >> from my point of view, you don't need much terrorism training to do what they did. it was very simple, very basic. you can learn how to build these devices on the internet. you can learn some of the tactics of some previous bombings. it was an act of cowardice putting it near children and innocent people. i don't think you need any specialized training to do what they did. they stayed in the area immediately thereafter, didn't try to conceal themselves, et cetera. >> why is it so easy to learn how to build a bomb on the internet? you know, no one is more for free speech than me, but let's face it. you could learn how to build this thing on the internet. is there anything we can do in a free society to ensure that it'